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/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
/*! \file */
#ifndef __INC_ETHERNET_H
#define __INC_ETHERNET_H
#define ETHERNET_ADDRESS_LENGTH 6 /* Ethernet Address Length */
#define ETHERNET_HEADER_SIZE 14 /* Ethernet Header Length */
#define LLC_HEADER_SIZE 6 /* LLC Header Length */
#define TYPE_LENGTH_FIELD_SIZE 2 /* Type/Length Size */
#define MINIMUM_ETHERNET_PACKET_SIZE 60 /* Min Ethernet Packet Size */
#define MAXIMUM_ETHERNET_PACKET_SIZE 1514 /* Max Ethernet Packet Size */
/* Is Multicast Address? */
#define RT_ETH_IS_MULTICAST(_addr) ((((u8 *)(_addr))[0]&0x01) != 0)
#define RT_ETH_IS_BROADCAST(_addr) ( \
((u8 *)(_addr))[0] == 0xff && \
((u8 *)(_addr))[1] == 0xff && \
((u8 *)(_addr))[2] == 0xff && \
((u8 *)(_addr))[3] == 0xff && \
((u8 *)(_addr))[4] == 0xff && \
((u8 *)(_addr))[5] == 0xff) /* Is Broadcast Address? */
#endif /* #ifndef __INC_ETHERNET_H */
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